div {
  width: 10px;
  height: 100px;
  border-radius: 5px;
  background-color: red;
  position: relative;
  left: 100px;
  animation: Move 5s linear infinite;
  transform-origin: center bottom;
}
@keyframes Move {
  from {
    transform: rotateZ(0deg);
  }
  to {
    transform: rotateZ(360deg);
  }
}
